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use std::{cell::Cell,marker::PhantomData, rc::Rc};
use crate::{
derive_macro_reexports::*,
type_layout::{
MonoTypeLayout, MonoTLData, ReprAttr, TypeLayout, GenericTLData,
}
};
#[repr(C)]
#[derive(StableAbi)]
pub struct SyncSend;
#[repr(C)]
#[derive(StableAbi)]
pub struct UnsyncUnsend {
_marker: UnsafeIgnoredType<Rc<()>>,
}
#[repr(C)]
#[derive(StableAbi)]
pub struct UnsyncSend {
_marker: UnsafeIgnoredType<Cell<()>>,
}
#[repr(C)]
#[derive(StableAbi)]
pub struct SyncUnsend {
_marker: UnsyncUnsend,
}
unsafe impl Sync for SyncUnsend{}
#[repr(C)]
#[derive(StableAbi)]
pub struct NotCopyNotClone;
#[repr(C)]
#[derive(StableAbi)]
pub struct ErasedObject<T=()>{
_priv: [u8; 0],
_marker:PhantomData<extern "C" fn()->T>,
}
#[repr(C)]
pub struct UnsafeIgnoredType<T:?Sized> {
_priv: [u8; 0],
_inner: PhantomData<T>,
}
impl<T:?Sized> UnsafeIgnoredType<T>{
pub const DEFAULT:Self=Self{
_priv:[],
_inner:PhantomData,
};
pub const NEW:Self=Self{
_priv:[],
_inner:PhantomData,
};
}
impl<T:?Sized> Copy for UnsafeIgnoredType<T>{}
impl<T:?Sized> Default for UnsafeIgnoredType<T>{
fn default()->Self{
Self::DEFAULT
}
}
impl<T:?Sized> Clone for UnsafeIgnoredType<T>{
fn clone(&self)->Self{
*self
}
}
unsafe impl<T> GetStaticEquivalent_ for UnsafeIgnoredType<T> {
type StaticEquivalent=();
}
unsafe impl<T> SharedStableAbi for UnsafeIgnoredType<T> {
type IsNonZeroType = False;
type Kind=ValueKind;
const S_LAYOUT: &'static TypeLayout = {
const MONO_TYPE_LAYOUT:&'static MonoTypeLayout=&MonoTypeLayout::new(
*mono_shared_vars,
rstr!("UnsafeIgnoredType"),
make_item_info!(),
MonoTLData::struct_(rslice![]),
tl_genparams!(;;),
ReprAttr::C,
ModReflMode::Module,
rslice![],
);
make_shared_vars!{
let (mono_shared_vars,shared_vars)={};
}
&TypeLayout::from_std::<Self>(
shared_vars,
MONO_TYPE_LAYOUT,
Self::S_ABI_CONSTS,
GenericTLData::Struct,
)
};
}